1 # mbstate_t.m4 serial 9 (fileutils-4.1.3)
2 dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
3 dnl This file is free software, distributed under the terms of the GNU
4 dnl General Public License. As a special exception to the GNU General
5 dnl Public License, this file may be distributed as part of a program
6 dnl that contains a configuration script generated by Autoconf, under
7 dnl the same distribution terms as the rest of that program.
11 # BeOS 5 has <wchar.h> but does not define mbstate_t,
12 # so you can't declare an object of that type.
13 # Check for this incompatibility with Standard C.
15 # Include stdlib.h first, because otherwise this test would fail on Linux
16 # (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits
17 # a syntax error in wchar.h due to the use of undefined __int32_t.
19 AC_DEFUN([AC_MBSTATE_T],
21 AC_CHECK_HEADERS(stdlib.h)
23 AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
29 [mbstate_t x; return sizeof x;],
30 ac_cv_type_mbstate_t=yes,
31 ac_cv_type_mbstate_t=no)])
32 if test $ac_cv_type_mbstate_t = no; then
33 AC_DEFINE(mbstate_t, int,
34 [Define to a type if <wchar.h> does not define.])